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2.define Ö»×ö¼òµ¥µÄÌæ»»£¬²»×öÀàÐͰ²È«¼ì²é
3.ʹÓò»µ±»áÒýÆðºÜ¶àÎÊÌâ
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1.¼òµ¥µÄºê¶¨Òå
#define MAX 1024
2.ºê¶¨Ò幦ÄÜ¿é
#define MAX(a,b) (a)>(b)?(a):(b) //±È½Ï´óСµÄºê
3¶¨Ò庯ÊýʵÏÖ·ºÐÍ
#define SORT(Type) void Buble_sort(Type a[],int len) { \
bool is_swap=true;\
for(int i=0;i<len&&is_swap;++i)\
{\
is_swap = false;\
for(int j=0;j<len-i;++j)\
{\
if(a[j]>a[j+1])\
{\
Type t;\
t=a[j];\
a[j+1] = a[j];\
a[j]=t;\
is_swap = true;\
}\
}\
}\
}
SORT(int);
SORT(double);
SORT(float);
SORT(unsigned int);
4.¶¨ÒåÀà
#define _DECL_class(name, element )\
class df_##nm\
{\
protected:\
element *pData;\
int num;\
\
void _resize(int n);\
\
public:\
nm( ){};\
\
int Count() const { return num; }\
\};
_DECL_class( cls_example, int );
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#include <stdio.h>
int main()
{
const int a = 5;
int b[a];
return 0;
}
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